/**
* @param FormView $formType
* @param FieldsConstraints $fieldsConstraints
* @param Constraint $constraint
*/
protected function addFieldConstraint(FormView $formType, FieldsConstraints $fieldsConstraints, Constraint $constraint)
{
$constraintName = $this->getConstraintName($constraint);
$constraintProperties = get_object_vars($constraint);
// Groups are no longer needed
unset($constraintProperties['groups']);
if (!$fieldsConstraints->hasLibrary($constraintName)) {
$templating = $this->container->get('templating');
$library = "APYJsFormValidationBundle:Constraints:{$constraintName}Validator.js.twig";
if ($templating->exists($library)) {
$fieldsConstraints->addLibrary($constraintName, $library);
} else {
return;
}
}
$constraintParameters = array();
$identifierField = $this->getParameter('identifier_field');
//We need to know entity class for the field which is applied by UniqueEntity constraint
if ($constraintName == 'UniqueEntity' && !empty($formType->parent) && !empty($formType->children[$identifierField])) {
$entity = isset($formType->parent->vars['value']) ? $formType->parent->vars['value'] : null;
$constraintParameters += array('entity:' . json_encode(get_class($entity)), 'identifier_field_id:' . json_encode($formType->children[$identifierField]->vars['id']));
}
foreach ($constraintProperties as $variable => $value) {
if (is_array($value)) {
$value = json_encode($value);
} else {
// regex
if (stristr('pattern', $variable) === false) {
$value = json_encode($value);
}
}
$constraintParameters[] = "{$variable}:{$value}";
}
$fieldsConstraints->addFieldConstraint($formType->vars['id'], array('name' => $constraintName, 'parameters' => '{' . join(', ', $constraintParameters) . '}'));
}
/**
* Generates client-side javascript that validates form
*
* @param FormView $formView
* @param boolean $overwrite
* @throws \RuntimeException
*/
public function generate(FormView $formView, $overwrite = false)
{
// Prepare output file
$scriptPath = $this->container->getParameter('apy_js_form_validation.script_directory');
$scriptRealPath = $this->container->getParameter('assetic.write_to') . '/' . $scriptPath;
$formName = isset($formView->vars['name']) ? $formView->vars['name'] : 'form';
$scriptFile = strtolower($this->container->get('request')->get('_route')) . "_" . strtolower($formName) . ".js";
if ($overwrite || false === file_exists($scriptRealPath . $scriptFile)) {
// Initializes variables
$fieldsConstraints = new FieldsConstraints();
$gettersLibraries = new GettersLibraries($this->container, $formView);
$aConstraints = array();
$aGetters = array();
$dispatcher = $this->container->get('event_dispatcher');
// Retrieves entity name from the form view
$entityNames = array();
$metadata = array();
$formViewValue = isset($formView->vars['value']) ? $formView->vars['value'] : null;
if (is_object($formViewValue)) {
$entityNames[] = get_class($formViewValue);
} elseif (!empty($formView->vars['data_class']) && class_exists($formView->vars['data_class'])) {
$entityNames[] = $formView->vars['data_class'];
} elseif (count($formView->children) > 0) {
foreach ($formView->children as $children) {
$entity = isset($children->vars['value']) ? $children->vars['value'] : null;
if (is_object($entity)) {
$entityNames[] = get_class($entity);
} elseif (!empty($children->vars['data_class']) && class_exists($children->vars['data_class'])) {
$entityNames[] = $children->vars['data_class'];
}
}
}
if (isset($entityNames) && !empty($entityNames)) {
foreach ($entityNames as $key => $entityName) {
// Form is built on Entity
$metadata[$key] = $this->getClassMetadata($entityName);
$formValidationGroups = isset($formView->vars['validation_groups']) ? $formView->vars['validation_groups'] : array('Default');
// Dispatch JsfvEvents::preProcess event
$preProcessEvent = new PreProcessEvent($formView, $metadata[$key]);
$dispatcher->dispatch(JsfvEvents::preProcess, $preProcessEvent);
if (!empty($metadata[$key]->constraints)) {
foreach ($metadata[$key]->constraints as $constraint) {
$constraintName = end(explode(chr(92), get_class($constraint)));
if ($constraintName == 'UniqueEntity') {
if (is_array($constraint->fields)) {
//It has not been implemented yet
} else {
if (is_string($constraint->fields)) {
if (!isset($aConstraints[$constraint->fields])) {
$aConstraints[$constraint->fields] = array();
}
$aConstraints[$constraint->fields][] = $constraint;
}
}
}
}
}
$errorMapping = isset($formView->vars['error_mapping']) ? $formView->vars['error_mapping'] : null;
if (!empty($metadata[$key]->getters)) {
foreach ($metadata[$key]->getters as $getterMetadata) {
/* @var $getterMetadata \Symfony\Component\Validator\Mapping\GetterMetadata */
if (!empty($getterMetadata->constraints)) {
if ($gettersLibraries->findLibrary($getterMetadata) === null) {
// You have to provide getter templates in the following location
// {EntityBundle}/Resources/views/Getters/{EntityName}.{GetterMethod}.js.twig
// or all templates in one place:
// app/Resources/APYJsFormValidationBundle/views/Getters/{EntityName}.{GetterMethod}.js.twig
continue;
}
foreach ($getterMetadata->constraints as $constraint) {
/* @var $constraint \Symfony\Component\Validator */
$getterName = $getterMetadata->getName();
$jsHandlerCallback = $gettersLibraries->getKey($getterMetadata, '_');
$constraintName = end(explode(chr(92), get_class($constraint)));
$constraintProperties = get_object_vars($constraint);
$exist = array_intersect($formValidationGroups, $constraintProperties['groups']);
if (!empty($exist)) {
if (!$gettersLibraries->has($getterMetadata)) {
$gettersLibraries->add($getterMetadata);
}
if (!$fieldsConstraints->hasLibrary($constraintName)) {
$librairy = "APYJsFormValidationBundle:Constraints:{$constraintName}Validator.js.twig";
$fieldsConstraints->addLibrary($constraintName, $librairy);
}
if (!empty($errorMapping[$getterName]) && is_string($errorMapping[$getterName])) {
$fieldName = $errorMapping[$getterName];
//'type' property is set in RepeatedTypeExtension class
if (!empty($formView->children[$fieldName]) && isset($formView->children[$fieldName]->vars['type']) && $formView->children[$fieldName]->vars['type'] == 'repeated') {
$repeatedNames = array_keys($formView->children[$fieldName]->vars['value']);
//Listen first repeated element
$fieldId = $formView->children[$fieldName]->vars['id'] . "_" . $repeatedNames[0];
} else {
$fieldId = $formView->children[$fieldName]->vars['id'];
}
} else {
$fieldId = '.';
}
if (!isset($aGetters[$fieldId][$jsHandlerCallback])) {
$aGetters[$fieldId][$jsHandlerCallback] = array();
}
unset($constraintProperties['groups']);
$aGetters[$fieldId][$jsHandlerCallback][] = array('name' => $constraintName, 'parameters' => json_encode($constraintProperties));
}
}
}
}
}
}
}
if (isset($entityNames) && !empty($entityNames)) {
$constraintsTarget = array();
foreach ($entityNames as $key => $entity) {
$constraintsTarget = array_merge($constraintsTarget, $metadata[$key]->properties);
}
} else {
// Simple form that is built manually
$constraintsTarget = isset($formView->vars['constraints']) ? $formView->vars['constraints'] : null;
if (isset($constraintsTarget[0]) && !empty($constraintsTarget[0]->fields)) {
//Get Default group ?
$constraintsTarget = $constraintsTarget[0]->fields;
}
}
if (!empty($constraintsTarget)) {
// we look through each field of the form
foreach ($formView->children as $formField) {
$names = array();
$names[] = $formField;
if (!empty($formField->children)) {
foreach ($formField->children as $nextLevelChildren) {
$names[] = $nextLevelChildren;
}
}
foreach ($names as $formFieldN) {
/* @var $formField \Symfony\Component\Form\FormView */
// Fields with property_path=false must be excluded from validation
if (isset($formFieldN->vars['property_path']) && $formFieldN->vars['property_path'] === false) {
continue;
}
//Setting "property_path" to "false" is deprecated since version 2.1 and will be removed in 2.3.
//Set "mapped" to "false" instead
if (isset($formFieldN->vars['mapped']) && $formFieldN->vars['mapped'] === false) {
continue;
}
// we look for constraints for the field
if (!isset($constraintsTarget[$formFieldN->vars['name']])) {
continue;
}
$constraintList = isset($entityName) ? $constraintsTarget[$formFieldN->vars['name']]->getConstraints() : $constraintsTarget[$formFieldN->vars['name']]->constraints;
//Adds entity level constraints that have been provided for this field
if (!empty($aConstraints[$formFieldN->vars['name']])) {
$constraintList = array_merge($constraintList, $aConstraints[$formFieldN->vars['name']]);
}
// we look through each field constraint
foreach ($constraintList as $constraint) {
$constraintName = end(explode(chr(92), get_class($constraint)));
$constraintProperties = get_object_vars($constraint);
// Groups are no longer needed
unset($constraintProperties['groups']);
if (!$fieldsConstraints->hasLibrary($constraintName)) {
$librairy = "APYJsFormValidationBundle:Constraints:{$constraintName}Validator.js.twig";
$fieldsConstraints->addLibrary($constraintName, $librairy);
}
$constraintParameters = array();
//We need to know entity class for the field which is applied by UniqueEntity constraint
if ($constraintName == 'UniqueEntity' && !empty($formFieldN->parent)) {
$entity = isset($formFieldN->parent->vars['value']) ? $formFieldN->parent->vars['value'] : null;
if (isset($formView->children[$this->getParameter('identifier_field')])) {
$id = json_encode($formView->children[$this->getParameter('identifier_field')]->vars['id']);
} else {
$id = json_encode($formFieldN->vars['id']);
}
$constraintParameters += array('entity:' . json_encode(get_class($entity)), 'identifier_field_id:' . $id);
}
foreach ($constraintProperties as $variable => $value) {
if (is_array($value)) {
$value = json_encode($value);
} else {
// regex
if (stristr('pattern', $variable) === false) {
$value = json_encode($value);
}
}
$constraintParameters[] = "{$variable}:{$value}";
}
$fieldsConstraints->addFieldConstraint($formFieldN->vars['id'], array('name' => $constraintName, 'parameters' => '{' . join(', ', $constraintParameters) . '}'));
}
}
}
}
// Dispatch JsfvEvents::postProcess event
$postProcessEvent = new PostProcessEvent($formView, $fieldsConstraints);
$dispatcher->dispatch(JsfvEvents::postProcess, $postProcessEvent);
// Retrieve validation mode from configuration
$check_modes = array('submit' => false, 'blur' => false, 'change' => false);
foreach ($this->container->getParameter('apy_js_form_validation.check_modes') as $check_mode) {
$check_modes[$check_mode] = true;
}
// Render the validation script
$validation_bundle = $this->getValidationBundle();
$javascript_framework = strtolower($this->container->getParameter('apy_js_form_validation.javascript_framework'));
$dataTemplate = array('formName' => $formName, 'fieldConstraints' => $fieldsConstraints->getFieldsConstraints(), 'librairyCalls' => $fieldsConstraints->getLibraries(), 'check_modes' => $check_modes, 'getterHandlers' => $gettersLibraries->all(), 'gettersConstraints' => $aGetters, 'translation_group' => $this->container->getParameter('apy_js_form_validation.translation_group'));
$template = $this->container->get('templating')->render("{$validation_bundle}:Frameworks:JsFormValidation.js.{$javascript_framework}.twig", $dataTemplate);
// Create asset and compress it
$asset = new AssetCollection();
$asset->setContent($template);
$asset->setTargetPath($scriptRealPath . $scriptFile);
// Js compression
if ($this->container->getParameter('apy_js_form_validation.yui_js')) {
$yui = new JsCompressorFilter($this->container->getParameter('assetic.filter.yui_js.jar'), $this->container->getParameter('assetic.java.bin'));
$yui->filterDump($asset);
}
$this->container->get('filesystem')->mkdir($scriptRealPath);
if (false === @file_put_contents($asset->getTargetPath(), $asset->getContent())) {
throw new \RuntimeException('Unable to write file ' . $asset->getTargetPath());
}
}
return $this->container->get('templating.helper.assets')->getUrl($scriptPath . $scriptFile);
}